Thanks! A 84 kg man lying on a surface of negligible friction shoves a 68 g ston

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Thanks!

A 84 kg man lying on a surface of negligible friction shoves a 68 g stone away from himself, giving it a speed of 3.2 m/s. What speed does the man acquire as a result? Number Units the tolerance is +/-9% A space vehicle is traveling at 4430 km/h relative to Earth when the exhausted rocket motor is disengaged and sent backward with a speed of 92 km/h relative to the command module. The mass of the motor is four times the mass of the module. What is the speed of the command module relative to Earth just after the separation? Number Units the tolerance is +/-9%

Explanation / Answer

a. 0.02590 m/s

b. 5514.5 km/h

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